matroxsrc: add first working version of Matrox Imaging Library source

sys/matrox/gstmatroxsrc.h

@@ -0,0 +1,83 @@
+/* GStreamer
+ * Copyright (C) 2017 FIXME <fixme@example.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _GST_MATROX_SRC_H_
+#define _GST_MATROX_SRC_H_
+
+#include <gst/base/gstpushsrc.h>
+
+#include <mil.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_MATROX_SRC   (gst_matroxsrc_get_type())
+#define GST_MATROX_SRC(obj)   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MATROX_SRC,GstMatroxSrc))
+#define GST_MATROX_SRC_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MATROX_SRC,GstMatroxSrcClass))
+#define GST_IS_MATROX_SRC(obj)   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MATROX_SRC))
+#define GST_IS_MATROX_SRC_CLASS(obj)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MATROX_SRC))
+
+typedef struct _GstMatroxSrc GstMatroxSrc;
+typedef struct _GstMatroxSrcClass GstMatroxSrcClass;
+
+struct _GstMatroxSrc
+{
+  GstPushSrc base_matroxsrc;
+
+  gboolean acq_started;
+
+  /* MIL handles */
+  MIL_ID MilApplication;
+  MIL_ID MilSystem;
+  MIL_ID MilDigitizer;
+  MIL_ID *MilGrabBufferList;
+
+  /* properties */
+  gchar *device;
+  gint board;
+  gint channel;
+  gchar *format;
+  guint num_capture_buffers;
+  gint timeout;
+
+  GstBuffer *buffer;
+  GstClockTime acq_start_time;
+
+  GstCaps *caps;
+  gint width;
+  gint height;
+  gint bpp;
+  gint gst_stride;
+  MIL_INT color_mode;
+  GstVideoFormat video_format;
+
+  GMutex mutex;
+  GCond cond;
+  gboolean stop_requested;
+};
+
+struct _GstMatroxSrcClass
+{
+  GstPushSrcClass base_matroxsrc_class;
+};
+
+GType gst_matroxsrc_get_type (void);
+
+G_END_DECLS
+
+#endif